code: def test_event():
      event = processing.Event()
  
      processes = [
          processing.Process(target=event_func, args=(event,))
          for i in range(5)
      ]
  
      for p in processes:
          p.start()
  
      print("main is sleeping")
      time.sleep(2)
  
      print("main is setting event")
      event.set()
  
      for p in processes:
          p.join()
  
file_path: multiprocess/py3.11/examples/ex_synchronize.py
imports: import time, sys, random
  from queue import Empty
  import multiprocess
label_desc: Use image node_id 12 for calling a global function with example usage: test_event() without return types